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Finding the Fourth Proportional to 10,692.10, 16,038.18 and 2,900.92

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Solution

The fourth proportional to 10,692.10, 16,038.18 and 2,900.92 is: 4,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.10 : 16,038.18 = 2,900.92 : x
  2. Step 2: Convert to fraction form
    10,692.10/16,038.18 = 2,900.92/x
  3. Step 3: Cross multiply
    10,692.10x = 16,038.18 × 2,900.92
  4. Step 4: Simplify right side
    10,692.10x = 46,525,477.13
  5. Step 5: Solve for x
    x = 46,525,477.13/10,692.10
  6. Step 6: Final answer
    x = 4,351.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.